Cita APA

I. Dickson, G. (1978). Nebula Winners Twelve. New York: Science Fiction Writers of America : Harper Row.

Citación estilo Chicago

I. Dickson, Gordón. Nebula Winners Twelve. New York: Science Fiction Writers of America : Harper Row, 1978.

Cita MLA

I. Dickson, Gordón. Nebula Winners Twelve. New York: Science Fiction Writers of America : Harper Row, 1978.